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Subject: Botany × End date: 2008 × Start date: 2008 × Type: Thesis × Thesis Type: M.Sc ×
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    ThesisItemOpen Access
    Screening of Agro-Physiological Traits For Thermotolerance in Wheat
    (College of Basic Science and Humanities, Punjab Agricultural University, Ludhiana, 2008) Amandeep, Kaur; Gill, DS
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    ThesisItemOpen Access
    Studies on the effect of rates and timing of potassium application on growth, flower yield and oil content of German chamomile (Matricaria chamomilla L)
    (Punjab Agricultural University, Ludhiana, 2008) Gupta, Neha; Narinder Pal Kaur
    The present investigation entitled “Studies on the effect of rates and timing of potassium application on growth, flower yield and oil content of German chamomile (Matricaria chamomilla L.)” was conducted under field conditions. The field was divided in to two blocks. In first block, potassium was applied, in the form of muirate of potash, at different rates (25, 50, 75 and 100 kg K/ ha) at the time of transplanting. In other blocks these rates of potassium were applied at 40 days after transplanting. Potassium application was found to increase the vegetative growth in chamomile plants, by increasing plant height and number of branches at both the timings. Potassium was also found to improve the various biochemical parameters like chlorophyll, protein and potassium content of chamomile plants at all stages of growth. A significant increase was observed with increase in levels of potassium, at both the timings of potassium application. Potassium was also reported to enhance the fresh flower yield, dry flower yield, stover yield and seed yield irrespective of time of applied K. A significant increase in these yield parameters was observed with increase in rate of applied potassium. But this increase was more when potassium was applied at the time of transplanting. Oil yield also increased with increase in level of potassium especially where K was applied at the time of transplanting. So in German chamomile application of potassium @100 kg K/ha at the time of transplanting was found to be optimum for maximum growth and oil yield.